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NTN UCS206-103LD1N bearing insert with set screw locking, 30 mm bore, cylindrical outer diameter, and single FKM/Viton seal. Wide inner ring design for general industrial machinery applications.
MODEL UCS206-103LD1N
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$50.82 Each
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
a (in)
0.1260
B (in)
1.5000
b (in)
0.0807
Bearing Type
Ball Bearing
Bore type
Round
Bore Type
Round
C (in)
0.7480
D (in)
2.4409
d (in)
1.1875
D1
2.3469 in
d4
1.6063 in
DS
1/4-28 UNF
Dynamic load rating
4400 lbf
Dynamic Load Rating
4400 lbf
Enclosure
Double Sealed
F (in)
0.1654
G (in)
0.1969
I.D.
1.1875 in
Limiting speed - grease
4900 RPM
Limiting Speed - Grease
4900 RPM
Locking device
2 -120° set screw
Locking Device
2 -120° Set Screw
Lubrication
Re-Lubricatable
Material
Through Hardened Steel
O.D.
2.4409 in
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
Performance
Standard Duty
Precision rating
Class 0
Precision Rating
Class 0
r (in)
0.0394
r1
0.0394 in
Radial internal clearance
CN
Radial Internal Clearance
CN
S
0.6260 in
S1
0.8740 in
Seal material
Nitrile rubber
Seal Material
Nitrile Rubber
Seal type
Contact
Seal Type
Contact
Static load rating
2540 lbf
Static Load Rating
2540 lbf
Type
Insert Bearing
Technical Specifications
Type | Insert Bearing |
|---|---|
Bore Type | Round |
Bearing Type | Ball Bearing |
Material | Through Hardened Steel |
Limiting Speed - Grease | 4900 RPM |
Seal Type | Contact |
Seal Material | Nitrile Rubber |
Precision Rating | Class 0 |
Performance | Standard Duty |
Locking Device | 2 -120° Set Screw |
Lubrication | Re-Lubricatable |
Radial Internal Clearance | CN |
Static Load Rating | 2540 lbf11300 N11.30 kN |
Dynamic Load Rating | 4400 lbf19500 N19.50 kN |
Enclosure | Double Sealed |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.1875 in30.163 mm |
|---|---|
D | 2.4409 in62.000 mm |
C | 0.7480 in19.000 mm |
B | 1.5000 in38.100 mm |
r | 0.0394 in1.000 mm |
r1 | 0.0394 in1.000 mm |
ds | 1/4-28 UNF |
G | 0.1969 in5.000 mm |
d4 | 1.6063 in40.800 mm |
S1 | 0.8740 in22.200 mm |
S | 0.6260 in15.900 mm |
a | 0.1260 in3.200 mm |
b | 0.0807 in2.050 mm |
D1 | 2.3469 in59.610 mm |
F | 0.1654 in4.200 mm |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
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